Great idea!
Visuals are so unique, it could be really interesting to see something bigger with a style like this. The mechanics are well stablished and polished. The mech looks great and everything on screen is easy to understand. Just, be careful with the way that bases appear, maybe a sound or a minimap could be great to see what's happening in the blind points of the map. Maybe a bigger variety of enemies or more eye-catching elements on the map could be a good way to make te experience less repetitive.
This is a good game with a great idea and a lot of personality.